CN209477484U - Brazing jig - Google Patents
Brazing jig Download PDFInfo
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- CN209477484U CN209477484U CN201822164949.1U CN201822164949U CN209477484U CN 209477484 U CN209477484 U CN 209477484U CN 201822164949 U CN201822164949 U CN 201822164949U CN 209477484 U CN209477484 U CN 209477484U
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- fixture block
- chuck body
- brazing jig
- jig according
- outer circle
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Abstract
The utility model discloses a kind of brazing jigs, comprising: chuck body, chuck body include hinged the first fixture block and the second fixture block, and the first fixture block and the second fixture block are used for opposite draw close to clamp the outer circle of the first part.Chuck body is equipped with the positioning surface for the second part being set in the first part outer circle to be supported, positioned, and positioning surface is divided on the first fixture block and the second fixture block.Brazing jig further includes for drawing close the first fixture block and the second fixture block with the clamp lock component for first part that is fixedly clamped relatively, and clamp lock component is connected in chuck body.In the brazing jig of the utility model, due to the relative position without adjusting the first fixture block and the second fixture block so that both the positioning surface being set on the first fixture block and the positioning surface that is set on the second fixture block are horizontal, to which part mounting operation is simple, the compactness of positioning surface and the second part is high, and then improve the positioning of the second part, clamping precision, the final welding precision for improving part keeps the qualification rate of postwelding product high.
Description
Technical field
The utility model relates to welding tooling fields, particularly, are related to a kind of brazing jig.
Background technique
Brazing jig is welding tooling common in aircraft engine parts production process, is as shown in Figure 1 parts fixation
Structural schematic diagram in brazing jig, after parts fixation, the lower end surface of part 1 need to be parallel with the sagittal plane of part 2.Soldering is
One kind passing through heating solder and makes brazing filler metal melts, and gap is between the solder of liquid fills part under capillary action to realize connection
Method, it can thus be appreciated that there are certain intervals between part 1 and part 2.With the fast development of aero engine technology, aviation
Engine part proposes requirements at the higher level to welding precision.
Existing welding fixture is as shown in Figure 1, include two groups of hexagon-headed bolts and hex nut being equipped with, and be used for
Two pieces of support fixture blocks of Clamp blocks 2.Before soldering part, part 1 is set in the outer circle of part 2, and brazing jig passes through two groups
Two pieces of support fixture blocks by uralite machine-shaping are tightened in the cooperation of hex nut and hexagon-headed bolt.
1. part is packed into and before being locked, the relative position of two pieces of support fixture blocks need to be adjusted again so that the two positioning
Step surface is located at same level, since two pieces of support fixture blocks are without corresponding positioning element, so operating difficulties, adjustment when adjustment
Difficulty is big, and the installation accuracy after adjustment at positioning table terrace is difficult to ensure, and then causes part because closing with positioning step face paste
Degree is poor and welding precision is poor；
2. fixture block is supported to process using uralite, in the welding process, support fixture block constantly undergoes " heating-cooling "
Process, support fixture block is easy to crack, and then increases repair a die cost and time cost；
3. fixture tightens two pieces of fixedly separated support fixture blocks of bolt using nut, so that part is in clamping fixation procedure
It is cumbersome.
Utility model content
The utility model provides a kind of brazing jig, existing when solving using existing brazing jig clamping parts
The technical issues of positioning accuracy of positioning surface adjustment operating difficulties and positioning surface is difficult to ensure.
The technical solution adopted in the utility model is as follows:
A kind of brazing jig, for columnar first part and wait be installed in the first part outer circle with the first part
Fixed the second parts fixation positioning of soldering, brazing jig include: chuck body, chuck body include hinged the first fixture block and
Second fixture block, the first fixture block and the second fixture block are used for opposite draw close to clamp the outer circle of the first part；Chuck body, which is equipped with, to be used
In the positioning surface that the second part being set in the first part outer circle is supported, positioned, positioning surface is divided into the first fixture block
On the second fixture block；Brazing jig further includes for drawing close the first fixture block and the second fixture block with first part that is fixedly clamped relatively
Clamp lock component, clamp lock component is connected in chuck body.
Further, the first fixture block and the second fixture block include connector and the clamping plate that is connected with connector；First fixture block
It is hinged by the connecting pin also cross the two connector with the second fixture block；The clamping plate of the clamping plate of first fixture block and the second fixture block is used
In opposite the first part of clamping.
Further, the connector of the first fixture block is equipped with two pieces of connection lugs of relative spacing setting；Second fixture block
Connector is located between two pieces of connection lugs；Connecting pin passes perpendicularly through the connector of two pieces of connection lugs and the second fixture block, so that
Second fixture block and the first fixture block are hinged.
Further, connecting the bearing surface abutted against on lug for the clamping plate with the second fixture block is cambered surface；Second fixture block
Clamping plate on for connect bearing surface that lug abuts against for and the matched cambered surface of the cambered surface connecting on lug.
Further, the accommodation groove equipped with indent is respectively corresponded on the opposite face of both the first fixture block and second fixture block, held
Set slot for accommodate the first part；Accommodation groove is the arc groove to match with the outer circle of the first part, the camber line of each arc groove
Half of the length less than the first part outer circle arc length.
Further, the annular flange of the upper surface of chuck body equipped with evagination and in a ring, the upper surface of annular flange
Constitute positioning surface；Annular flange is divided on the upper surface of the first fixture block and the upper surface of the second fixture block.
Further, the axis hole with accommodation groove of annular flange are coaxially disposed and are connected to；The upper end of annular flange is recessed downwards
If forming the stepped hole of annular.
Further, chuck body is prepared by the alloy material not in conjunction with solder and is formed；Or it is applied on the cell wall of accommodation groove
It is covered with the coating not in conjunction with solder.
Further, the side wall of chuck body is equipped with the mounting groove through the first fixture block and the second fixture block, mounting groove
Side is connected to the end face of the first fixture block and the second fixture block；Clamp lock component includes being set on the first fixture block and passing perpendicularly through installation
The mounting pin of slot, the eyelet bolt being rotationally connected in mounting pin, the locking nut being equipped with eyelet bolt；Eyelet bolt
For stretching out the second fixture block after passing through mounting groove when locking the first part, so that locking nut is threadedly connected to eyelet bolt
The lateral wall that the second fixture block is supported on overhanging end is tensed the first fixture block and the second fixture block are opposite to be locked the 1st
Part.
Further, the side wall of chuck body is equipped with the mounting hole of perforation the first fixture block and the second fixture block；Clamp lock component
Including connecting rod and the locking nut being equipped with connecting rod；Connecting rod is used for when locking the first part by second
The outside of fixture block is stretched out outside the first fixture block after passing through mounting hole, so that the second fixture block of head contact of connecting rod, and make to lock
After nut thread is connected on the overhanging end of connecting rod the lateral wall to support the first fixture block, by the first fixture block and the second fixture block
It is opposite to tense with first part that is locked.
The utility model has the following beneficial effects:
In the brazing jig of the utility model, for being supported to the second part being set in the first part outer circle,
The positioning surface of positioning is divided on the first fixture block and the second fixture block, and both the first fixture block and the second fixture block are hinged, so by the
One parts fixation is in the first fixture block and the second fixture block and in outer circle that the second part is set in the first part and bearing, is positioned at
After on positioning surface, the relative position of the first fixture block of adjustment and the second fixture block is no longer needed to so as to be set to the positioning surface on the first fixture block
It is horizontal with both positioning surfaces for being set on the second fixture block, to keep part mounting operation simple, and positioning surface and the second part
Compactness it is high, and then improve the positioning of the second part, clamping precision, the final welding precision for improving part makes postwelding product
Qualification rate it is high；In addition, since both the first fixture block and the second fixture block are hinged, to make the first fixture block and the using clamp lock component
Two fixture blocks are opposite draw close be fixedly clamped the first part when it is easy to operate, clamping, the location efficiency of part can be improved.
Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model
Point.Below with reference to figure, the utility model is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is structural schematic diagram of the parts fixation in the brazing jig of the prior art；
Fig. 2 is structural schematic diagram of the parts fixation in the brazing jig of the preferred embodiment in the utility model；
Fig. 3 is the A-A of Fig. 2 to schematic cross-sectional view.
Marginal data
30, the first part；40, the second part；50, chuck body；501, positioning surface；502, accommodation groove；503, mounting groove；
51, the first fixture block；511, connector；512, clamping plate；52, the second fixture block；53, connecting pin；54, annular flange；60, clamp lock structure
Part；61, mounting pin；62, eyelet bolt；63, locking nut.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
Referring to Fig. 2 and Fig. 3, the preferred embodiment of the utility model provides a kind of brazing jig, for columnar the
One part 30 and wait be installed in 30 outer circle of the first part to be brazed fixed 40 Set and Positioning of the second part with the first part 30,
Brazing jig includes: chuck body 50, and chuck body 50 includes hinged the first fixture block 51 and the second fixture block 52, the first fixture block 51
Opposite draw close to clamp the outer circle of the first part 30 is used for the second fixture block 52.Chuck body 50 is equipped with for being set in the
The positioning surface 501 that the second part 40 in one part, 30 outer circle is supported, positioned, positioning surface 501 are divided into the first fixture block 51
On the second fixture block 52.Brazing jig further includes for making the first fixture block 51 and the second fixture block 52 is opposite draws close to be fixedly clamped the
The clamp lock component 60 of one part 30, clamp lock component 60 are connected in chuck body 50.
In the brazing jig of the utility model, for propping up the second part 40 being set in 30 outer circle of the first part
The positioning surface 501 hold, positioned is divided on the first fixture block 51 and the second fixture block 52, and both the first fixture block 51 and the second fixture block 52
Hingedly, so the first part 30 is clamped in the first fixture block 51 and the second fixture block 52 and the second part 40 is set in the first part
In 30 outer circle and after supporting, being positioned on positioning surface 501, the opposite position of adjustment the first fixture block 51 and the second fixture block 52 is no longer needed to
It sets so that both the positioning surface 501 that is set on the first fixture block 51 and the positioning surface 501 that is set on the second fixture block 52 are horizontal, from
And keep part mounting operation simple, and the compactness of positioning surface 501 and the second part 40 is high, and then improve determining for the second part 40
Position, clamping precision, the final welding precision for improving part keep the qualification rate of postwelding product high；In addition, due to 51 He of the first fixture block
Both second fixture blocks 52 are hinged, so that it is solid to clamp to use clamp lock component 60 to draw close the first fixture block 51 and the second fixture block 52 relatively
It is easy to operate when fixed first part 30, clamping, the location efficiency of part can be improved.
Optionally, as shown in figure 3, the first fixture block 51 and the second fixture block 52 include connector 511 and with 511 phase of connector
Clamping plate 512 even.First fixture block 51 and the second fixture block 52 are hinged by the connecting pin 53 also cross the two connector 511.The
The clamping plate 512 of the clamping plate 512 of one fixture block 51 and the second fixture block 52 is used for the first part 30 of opposite clamping.
Specifically, the connector 511 of the first fixture block 51 is equipped with two pieces of connection lugs of relative spacing setting.Second fixture block
52 connector 511 is located between two pieces of connection lugs.Connecting pin 53 passes perpendicularly through two pieces of connection lugs and second fixture block 52
Connector 511, so that the second fixture block 52 and the first fixture block 51 are hinged.Preferably, as shown in figure 3, for the on connection lug
The bearing surface that the clamping plate 512 of two fixture blocks 52 abuts against is cambered surface.On the clamping plate 512 of second fixture block 52 for connect lug and offset
The bearing surface connect be and the matched cambered surface of the cambered surface connecting on lug.It is logical to connect both clamping plates 512 of lug and the second fixture block 52
Globoidal structure connection is crossed, both the first fixture block 51 and the second fixture block 52 is not only avoided to generate interference during opposite draw close,
Simultaneously by the cooperation of cambered surface and cambered surface to both the first fixture block 51 and the second fixture block 52 it is opposite draw close rotation be oriented to and
Limit.
Optionally, as shown in figure 3, respectively corresponding on the opposite face of both the first fixture block 51 and second fixture block 52 equipped with indent
Accommodation groove 502, accommodation groove 502 for accommodate the first part 30.Accommodation groove 502 is to match with the outer circle of the first part 30
Arc groove, the half of the arc length of each arc groove less than 30 outer circle arc length of the first part.First fixture block 51 and second
When fixture block 52 draws close the first part 30 of clamping relatively, on the accommodation groove 502 and the second fixture block 52 on actually the first fixture block 51
Accommodation groove 502 be matched for clamping tightly the first part 30, since accommodation groove 502 is the arc to match with the outer circle of the first part 30
Slot, and the arc length of arc groove is less than the half of 30 outer circle arc length of the first part, so when clamping the first part 30, the
There is gap in one fixture block 51 and the second fixture block 52, and then be convenient for more firm the first part of clamping 30 between the two.
Optionally, as shown in Fig. 2, the annular flange 54 of the upper surface of chuck body 50 equipped with evagination and in a ring, annular
The upper surface of flange 54 constitutes positioning surface 501.Annular flange 54 is divided into upper surface and second fixture block 52 of the first fixture block 51
On upper surface.Specifically, as shown in Fig. 2, the axis hole of annular flange 54 is coaxially disposed and is connected to accommodation groove 502.Preferably, ring
The upper end of shape flange 54 is recessed downwards to form annular stepped hole (not shown).On the inner ring surface of annular flange 54 in setting
Recessed stepped hole, and it is connected to stepped hole and the upper surface of annular flange 54, it is not only convenient for reducing the positioning surface of positioning surface 501
Product, and then reduce the difficulty of processing of positioning surface 501 and improve the positioning accuracy of positioning surface 501, it can also accept by the second part 40
The solder fallen between the first part 30 effectively stops solder to drop downward between the first part 30 and accommodation groove 502.
Optionally, chuck body 50 is prepared by the alloy material not in conjunction with solder and is formed.Specifically, alloy material is aluminium
Alloy or titanium alloy.Or the coating not in conjunction with solder is coated on the cell wall of accommodation groove 502.Specifically, coating is aluminium alloy
Coating or titanium alloy coating.Chuck body 50 is prepared by using aluminum alloy materials or titanium alloy material, or in chuck body 50
Accommodation groove 502 cell wall on coated aluminium alloy coating or titanium alloy coating, can not only be effectively improved chuck body 50 and use
The problem of cracking in journey, and then extend the service life of fixture, reduce the required cost of part soldering, it can also effectively prevent part
It is connected under the action of solder with fixture, and then improves the welding quality of part, be also convenient for the disassembly of postwelding part and fixture.
Optionally, the first embodiment of the utility model, as shown in Figures 2 and 3, the side wall of chuck body 50, which is equipped with, to be passed through
Wear the mounting groove 503 of the first fixture block 51 and the second fixture block 52, the side of mounting groove 503 and the first fixture block 51 and the second fixture block 52
End face connection.Clamp lock component 60 includes the mounting pin 61 for being set on the first fixture block 51 and passing perpendicularly through mounting groove 503, rotation company
The eyelet bolt 62 being connected in mounting pin 61, the locking nut 63 being equipped with eyelet bolt 62.Eyelet bolt 62 is used for
The second fixture block 52 is stretched out after passing through mounting groove 503 when locking the first part 30, so that locking nut 63 is threadedly connected to movable joint spiral shell
The lateral wall that the second fixture block 52 is supported on the overhanging end of bolt 62, by the first fixture block 51 and the opposite tension of the second fixture block 52 to lock
Fix the first part 30.Specifically, locking nut 63 is circle wing wing nut.Locking is clamped in the first fixture block 51 and the second fixture block
When the first part 30 between 52, swivel joint bolt 62 is so that eyelet bolt 62 is located in mounting groove 503 and end stretches out the
Outside two fixture blocks 52, then locking nut 63 is installed on the overhanging end of eyelet bolt 62, then tighten locking nut 63 so that
Locking nut 63 supports the lateral wall of the second fixture block 52, by the first fixture block 51 and the opposite tension of the second fixture block 52 to be locked
First part 30.When postwelding takes out the first part 30, only it need to unscrew locking nut 63, then swivel joint bolt 62 is with by movable joint
Bolt 62 removes mounting groove 503.When locking the first fixture block 51 and the second fixture block 52 using the clamp lock component 60 of the present embodiment
It is easy to operate, it can effectively simplify the clamping process of part.
Optionally, the second embodiment of the utility model, not shown, the side wall of chuck body 50 is equipped with the first folder of perforation
The mounting hole of block 51 and the second fixture block 52.Clamp lock component 60 includes connecting rod and the locking screw being equipped with connecting rod
It is female.Connecting rod is used to stretch out the first fixture block 51 after passing through mounting hole by the outside of the second fixture block 52 when locking the first part 30
Outside, so that the second fixture block of head contact 52 of connecting rod, and it is threadedly connected to locking nut on the overhanging end of connecting rod
After lateral wall to support the first fixture block 51, by the first fixture block 51 and the opposite tension of the second fixture block 52 with first part that is locked
30.Specifically, connecting rod is connection bolt.Locking is clamped in the first part 30 between the first fixture block 51 and the second fixture block 52
When, bolt will be connected first and is inserted into after mounting hole by the outside of the second fixture block 52 and is stretched out by the outside of the first fixture block 51, then
Locking nut is installed on the overhanging end of connection bolt, then tightens locking nut so that locking nut supports the first fixture block 51
Lateral wall, and the bolt head for connecting bolt supports the lateral wall of the second fixture block 52, by the first fixture block 51 and the second fixture block 52
It is opposite to tense with first part 30 that is locked.When postwelding takes out the first part 30, only it need to unscrew locking nut, it then will connection
Bolt pulls out mounting hole.Operation letter when locking the first fixture block 51 and the second fixture block 52 using the clamp lock component 60 of the present embodiment
It is single, it can effectively simplify the clamping process of part.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of brazing jig, for columnar first part (30) and wait be installed in the first part (30) outer circle with
Fixed the second part (40) Set and Positioning with first part (30) soldering, which is characterized in that brazing jig includes:
Chuck body (50), the chuck body (50) include hinged the first fixture block (51) and the second fixture block (52), and described
One fixture block (51) and second fixture block (52) are used for opposite draw close to clamp the outer circle of first part (30)；
The chuck body (50) is equipped with for second part being set in the first part (30) outer circle
(40) positioning surface (501) supported, positioned, the positioning surface (501) are divided into first fixture block (51) and described
On two fixture blocks (52)；
The brazing jig further includes for drawing close first fixture block (51) and second fixture block (52) relatively to clamp
The clamp lock component (60) of fixed first part (30), the clamp lock component (60) are connected on the chuck body (50).
2. brazing jig according to claim 1, which is characterized in that
First fixture block (51) and second fixture block (52) include connector (511) and with the connector (511) phase
Clamping plate (512) even；
First fixture block (51) and second fixture block (52) pass through the connecting pin (53) also cross the two connector (511)
Hingedly；
The clamping plate (512) of first fixture block (51) and the clamping plate (512) of second fixture block (52) are used for described in opposite clamp
First part (30).
3. brazing jig according to claim 2, which is characterized in that
The connector (511) of first fixture block (51) is equipped with two pieces of connection lugs of relative spacing setting；
The connector (511) of second fixture block (52) is located between two pieces of connection lugs；
The connecting pin (53) passes perpendicularly through the connector of two pieces of connection lugs and second fixture block (52)
(511), so that second fixture block (52) and first fixture block (51) are hinged.
4. brazing jig according to claim 3, which is characterized in that
The bearing surface abutted against on the connection lug for the clamping plate (512) with second fixture block (52) is cambered surface；
On the clamping plate (512) of second fixture block (52) for the bearing surface that abuts against of connection lug be with it is described
Connect the matched cambered surface of cambered surface on lug.
5. brazing jig according to claim 2, which is characterized in that
The accommodation groove equipped with indent is respectively corresponded on the opposite face of first fixture block (51) and second fixture block (52) the two
(502), the accommodation groove (502) is for accommodating first part (30)；
The accommodation groove (502) is the arc groove to match with the outer circle of first part (30), each arc groove
Arc length is less than the half of the first part (30) outer circle arc length.
6. brazing jig according to claim 5, which is characterized in that
The annular flange (54) of the upper surface of the chuck body (50) equipped with evagination and in a ring, the annular flange (54)
Upper surface constitutes the positioning surface (501)；
The annular flange (54) is divided into the upper surface of first fixture block (51) and the upper surface of second fixture block (52)
On.
7. brazing jig according to claim 6, which is characterized in that
The axis hole of the annular flange (54) is coaxially disposed and is connected to the accommodation groove (502)；
The upper end of the annular flange (54) is recessed downwards to form annular stepped hole.
8. brazing jig according to claim 5, which is characterized in that
The alloy material that chuck body (50) the You Buyu solder combines prepares to be formed；Or
The coating not in conjunction with solder is coated on the cell wall of the accommodation groove (502).
9. brazing jig according to claim 1, which is characterized in that
The side wall of the chuck body (50) is equipped with the installation through first fixture block (51) and second fixture block (52)
Slot (503), the side of the mounting groove (503) are connected to the end face of first fixture block (51) and second fixture block (52)；
The clamp lock component (60) includes the peace for being set on first fixture block (51) and passing perpendicularly through the mounting groove (503)
Dress pin (61), the eyelet bolt (62) being rotationally connected on the mounting pin (61) are equipped with the eyelet bolt (62)
Locking nut (63)；
Described in the eyelet bolt (62) is used to stretch out afterwards when locking the first part (30) across the mounting groove (503)
Second fixture block (52), so that the locking nut (63) is threadedly connected on the overhanging end of the eyelet bolt (62) to support
The lateral wall for stating the second fixture block (52), by first fixture block (51) and the opposite tension of second fixture block (52) to be locked
First part (30).
10. brazing jig according to claim 1, which is characterized in that
The side wall of the chuck body (50) is equipped with the installation for penetrating through first fixture block (51) and second fixture block (52)
Hole；
The clamp lock component (60) includes connecting rod and the locking nut that is equipped with the connecting rod；
The connecting rod is used to be passed through when locking the first part (30) by the outside of second fixture block (52) described
First fixture block (51) is stretched out after mounting hole outside, so that the second fixture block (52) described in the head contact of the connecting rod, and
The locking nut is set to be threadedly connected to the lateral wall for supporting first fixture block (51) on the overhanging end of the connecting rod
Afterwards, by first fixture block (51) and the opposite tension of second fixture block (52) with first part (30) that is locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822164949.1U CN209477484U (en) | 2018-12-21 | 2018-12-21 | Brazing jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822164949.1U CN209477484U (en) | 2018-12-21 | 2018-12-21 | Brazing jig |
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| Publication Number | Publication Date |
|---|---|
| CN209477484U true CN209477484U (en) | 2019-10-11 |
Family
ID=68126675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822164949.1U Active CN209477484U (en) | 2018-12-21 | 2018-12-21 | Brazing jig |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369632A (en) * | 2021-06-29 | 2021-09-10 | 中国航发贵州黎阳航空动力有限公司 | Oxygen-acetylene brazing clamp for air filter |
-
2018
- 2018-12-21 CN CN201822164949.1U patent/CN209477484U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369632A (en) * | 2021-06-29 | 2021-09-10 | 中国航发贵州黎阳航空动力有限公司 | Oxygen-acetylene brazing clamp for air filter |
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